Maximum Torque for Crushing Failure of Bolt Calculator

✖Number of Bolts is simply defined as the number of bolts that are under our consideration.ⓘ Number of Bolts [n]			+10% -10%
✖Diameter of Bolt is the distance from the outer thread on one side to the outer thread on the other side. This is called the major diameter and will usually be the proper size of the bolt.ⓘ Diameter of Bolt [d_b]			+10% -10%
✖Thickness of Flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength or for stabilizing and guiding the movements of a machine or its parts.ⓘ Thickness of Flange [t_f]			+10% -10%
✖Allowable Crushing Strength of the Bolt Material is the capacity of a material or structure to withstand loads tending to reduce size as opposed to tensile strength.ⓘ Allowable Crushing Strength of the Bolt Material [f_cb]			+10% -10%
✖Pitch Circle Diameter of Bolts (PCD) is the diameter of the circle which passes through the centre of all the studs, wheel bolts or wheel rim holes.ⓘ Pitch Circle Diameter of Bolts [D₁]			+10% -10%

✖Maximum torque means the highest value of the net torque measured at full engine load.ⓘ Maximum Torque for Crushing Failure of Bolt [T_m]

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Formula

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Maximum Torque for Crushing Failure of Bolt

Formula

`"T"_{"m"} = "n"*"d"_{"b"}*"t"_{"f"}*"f"_{"cb"}*("D"_{"1"}/2)`

Example

`"1.3E^6N*mm"="3"*"21mm"*"100mm"*"2N/mm²"*("200mm"/2)`

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Maximum Torque for Crushing Failure of Bolt Solution

STEP 0: Pre-Calculation Summary

Formula Used

Maximum Torque = Number of Bolts*Diameter of Bolt*Thickness of Flange*Allowable Crushing Strength of the Bolt Material*(Pitch Circle Diameter of Bolts/2)
T_m = n*d_b*t_f*f_cb*(D₁/2)
This formula uses 6 Variables

Variables Used

Maximum Torque - (Measured in Newton Meter) - Maximum torque means the highest value of the net torque measured at full engine load.
Number of Bolts - Number of Bolts is simply defined as the number of bolts that are under our consideration.
Diameter of Bolt - (Measured in Meter) - Diameter of Bolt is the distance from the outer thread on one side to the outer thread on the other side. This is called the major diameter and will usually be the proper size of the bolt.
Thickness of Flange - (Measured in Meter) - Thickness of Flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength or for stabilizing and guiding the movements of a machine or its parts.
Allowable Crushing Strength of the Bolt Material - (Measured in Pascal) - Allowable Crushing Strength of the Bolt Material is the capacity of a material or structure to withstand loads tending to reduce size as opposed to tensile strength.
Pitch Circle Diameter of Bolts - (Measured in Meter) - Pitch Circle Diameter of Bolts (PCD) is the diameter of the circle which passes through the centre of all the studs, wheel bolts or wheel rim holes.

STEP 1: Convert Input(s) to Base Unit

Number of Bolts: 3 --> No Conversion Required
Diameter of Bolt: 21 Millimeter --> 0.021 Meter (Check conversion here)
Thickness of Flange: 100 Millimeter --> 0.1 Meter (Check conversion here)
Allowable Crushing Strength of the Bolt Material: 2 Newton per Square Millimeter --> 2000000 Pascal (Check conversion here)
Pitch Circle Diameter of Bolts: 200 Millimeter --> 0.2 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

T_m = n*d_b*t_f*f_cb*(D₁/2) --> 3*0.021*0.1*2000000*(0.2/2)

Evaluating ... ...

T_m = 1260

STEP 3: Convert Result to Output's Unit

1260 Newton Meter -->1260000 Newton Millimeter (Check conversion here)

FINAL ANSWER

1260000 ≈ 1.3E+6 Newton Millimeter <-- Maximum Torque

(Calculation completed in 00.007 seconds)

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Home » Engineering » Chemical Engineering » Process Equipment Design » Agitators » Shaft Couplings » Maximum Torque for Crushing Failure of Bolt

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< 15 Shaft Couplings Calculators

Maximum Torque Transmission Capacity of Coupling

Go Maximum Torque = ((pi)^(2)/16)*Coefficient of Friction between Muff and Shaft*Number of Bolts*Diameter of Shaft*Diameter of Bolt*Tensile Stress

Allowable Crushing Strength of Bolt

Go Allowable Crushing Strength of the Bolt Material = Maximum Torque*1/(Number of Bolts*Diameter of Bolt*Thickness of Flange)*(2/Pitch Circle Diameter of Bolts)

Maximum Torque for Crushing Failure of Bolt

Go Maximum Torque = Number of Bolts*Diameter of Bolt*Thickness of Flange*Allowable Crushing Strength of the Bolt Material*(Pitch Circle Diameter of Bolts/2)

Allowable Shear Strength of Bolt

Go Allowable Shear Strength of Bolt Material = Maximum Torque*(4/pi)*(1/((Diameter of Bolt^2)*Number of Bolts))*(2/Pitch Circle Diameter of Bolts)

Maximum Torque Transmission Capacity of Coupling under Bearing Pressure

Go Maximum Torque = Number of Bolts*Bearing Pressure on the Bush*Diameter of Bush*Length of Bush in the Flange*(Pitch Circle Diameter of Bolts/2)

Maximum Torque for Shear Failure of Bolt

Go Maximum Torque = (pi/4)*(Diameter of Bolt^2)*Number of Bolts*Allowable Shear Strength of Bolt Material*(Pitch Circle Diameter of Bolts/2)

Torque Transmission Capacity for Torsional Failure of Hub

Go Maximum Torque = (pi/16)*((Diameter of Hub^4)-(Diameter of Shaft^4))/(Diameter of Hub)*Allowable Shear Strength of Coupling Material

Allowable Shear Strength of Coupling Material

Go Allowable Shear Strength of Coupling Material = Maximum Torque*(16/pi)*(Diameter of Hub)/((Diameter of Hub^4)-(Diameter of Shaft^4))

Diameter of Bolt

Go Diameter of Bolt = 0.5*Shaft Diameter/sqrt(Number of Bolts)

Thickness of Protective Circumferential Flange

Go Thickness of Protective Circumferential Flange = 0.25*Shaft Diameter

Pitch Circle Diameter of Bolts

Go Pitch Circle Diameter of Bolts = 3*Shaft Diameter

Outside Diameter of Flange

Go Outside Diameter of Flange = 4*Shaft Diameter

Number of Bolts Given Diameter

Go Number of Bolts = (Shaft Diameter/50)+3

Diameter of Hub

Go Diameter of Hub = 2*Shaft Diameter

Length of Hub

Go Length of Hub = 1.5*Shaft Diameter

Maximum Torque for Crushing Failure of Bolt Formula

Maximum Torque = Number of Bolts*Diameter of Bolt*Thickness of Flange*Allowable Crushing Strength of the Bolt Material*(Pitch Circle Diameter of Bolts/2)
T_m = n*d_b*t_f*f_cb*(D₁/2)

What is Bolt?

A bolt is a mechanical fastener with a threaded shaft. Bolts are closely related to screws, which are also mechanical fasteners with threaded shafts. These types of fasteners are typically inserted through two parts, with aligned holes.The term bolt is usually used for a fastener which has only part of its shaft threaded. Fasteners with their entire shaft threaded are normally called screws. The unthreaded part of a bolts shaft is called the shank.

How to Calculate Maximum Torque for Crushing Failure of Bolt?

Maximum Torque for Crushing Failure of Bolt calculator uses Maximum Torque = Number of Bolts*Diameter of Bolt*Thickness of Flange*Allowable Crushing Strength of the Bolt Material*(Pitch Circle Diameter of Bolts/2) to calculate the Maximum Torque, Maximum Torque for Crushing Failure of Bolt is defined as the failure when bolt is strong and the plate is weak in bearing or the weaker plate material may get crushed when the bearing stress in the plate exceeds its bearing strength. Maximum Torque is denoted by T_m symbol.

How to calculate Maximum Torque for Crushing Failure of Bolt using this online calculator? To use this online calculator for Maximum Torque for Crushing Failure of Bolt, enter Number of Bolts (n), Diameter of Bolt (d_b), Thickness of Flange (t_f), Allowable Crushing Strength of the Bolt Material (f_cb) & Pitch Circle Diameter of Bolts (D₁) and hit the calculate button. Here is how the Maximum Torque for Crushing Failure of Bolt calculation can be explained with given input values -> 1.3E+9 = 3*0.021*0.1*2000000*(0.2/2).

FAQ

What is Maximum Torque for Crushing Failure of Bolt?

Maximum Torque for Crushing Failure of Bolt is defined as the failure when bolt is strong and the plate is weak in bearing or the weaker plate material may get crushed when the bearing stress in the plate exceeds its bearing strength and is represented as T_m = n*d_b*t_f*f_cb*(D₁/2) or Maximum Torque = Number of Bolts*Diameter of Bolt*Thickness of Flange*Allowable Crushing Strength of the Bolt Material*(Pitch Circle Diameter of Bolts/2). Number of Bolts is simply defined as the number of bolts that are under our consideration, Diameter of Bolt is the distance from the outer thread on one side to the outer thread on the other side. This is called the major diameter and will usually be the proper size of the bolt, Thickness of Flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength or for stabilizing and guiding the movements of a machine or its parts, Allowable Crushing Strength of the Bolt Material is the capacity of a material or structure to withstand loads tending to reduce size as opposed to tensile strength & Pitch Circle Diameter of Bolts (PCD) is the diameter of the circle which passes through the centre of all the studs, wheel bolts or wheel rim holes.

How to calculate Maximum Torque for Crushing Failure of Bolt?

Maximum Torque for Crushing Failure of Bolt is defined as the failure when bolt is strong and the plate is weak in bearing or the weaker plate material may get crushed when the bearing stress in the plate exceeds its bearing strength is calculated using Maximum Torque = Number of Bolts*Diameter of Bolt*Thickness of Flange*Allowable Crushing Strength of the Bolt Material*(Pitch Circle Diameter of Bolts/2). To calculate Maximum Torque for Crushing Failure of Bolt, you need Number of Bolts (n), Diameter of Bolt (d_b), Thickness of Flange (t_f), Allowable Crushing Strength of the Bolt Material (f_cb) & Pitch Circle Diameter of Bolts (D₁). With our tool, you need to enter the respective value for Number of Bolts, Diameter of Bolt, Thickness of Flange, Allowable Crushing Strength of the Bolt Material & Pitch Circle Diameter of Bolts and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Maximum Torque?

In this formula, Maximum Torque uses Number of Bolts, Diameter of Bolt, Thickness of Flange, Allowable Crushing Strength of the Bolt Material & Pitch Circle Diameter of Bolts. We can use 4 other way(s) to calculate the same, which is/are as follows -

Maximum Torque = (pi/16)*((Diameter of Hub^4)-(Diameter of Shaft^4))/(Diameter of Hub)*Allowable Shear Strength of Coupling Material
Maximum Torque = (pi/4)*(Diameter of Bolt^2)*Number of Bolts*Allowable Shear Strength of Bolt Material*(Pitch Circle Diameter of Bolts/2)
Maximum Torque = ((pi)^(2)/16)*Coefficient of Friction between Muff and Shaft*Number of Bolts*Diameter of Shaft*Diameter of Bolt*Tensile Stress
Maximum Torque = Number of Bolts*Bearing Pressure on the Bush*Diameter of Bush*Length of Bush in the Flange*(Pitch Circle Diameter of Bolts/2)

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